Trackformers: in search of transformer-based particle tracking for the high-luminosity LHC era Sascha Caron, Nadezhda Dobreva, Antonio Ferrer Sánchez, José D. Martín-Guerrero, Uraz Odyurt, Roberto Ruiz de Austri Bazan, Zef Wolffs and Yue Zhao Eur. Phys. J. C, 85 4 (2025) 460 Published online: 25 April 2025 DOI: 10.1140/epjc/s10052-025-14156-3